But something just seems sketchier, rawer even, about this 180 horsepower CBR 1000 swapped shifter kart from the folks at BUM (Building Ugly Machines). For starters, the kart they picked up on ...

The latest is this one-of-a-kind shifter kit with a jet engine built by "Turbo" Tim Arfons, according to Winding Road, who is the son of Bonneville Salt Flats legend Art Arfons. The kart features ...